Siemens Simatic S7-400 User Manual
Page 359
Analog Modules
5-143
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 432; AO 8 x 13 Bit
Programming package
Associated programming
package
As of STEP 7 V 2.0
Dimensions and Weight
Dimensions W
H
D
(in millimeters)
25
290
210
Weight
Approx. 650 g
Data for Specific Module
Number of outputs
8
Length of cable
•
Shielded
Max. 200 m
Voltages, Currents, Potentials
Supply voltage of the
electronics L+
24 VDC
Rated load voltage L+
24 VDC
•
Reverse polarity protection
Yes
Isolation
•
Between channels and
backplane bus
•
Between the channels
•
Between channels and
load voltage L+
Yes
No
Yes
Permitted potential difference
•
Between the outputs (E
CM
)
•
Between S– and M
ANA
(U
CM
)
•
Between M
ANA
and
M
internal
(U
ISO
)
3 VDC
3 VDC
75 VDC/60 VAC
Insulation tested
•
Between bus and L+/M
•
Between bus and analog
section
•
Between bus and chassis
ground
•
Between analog section
and L+/M
•
Between analog section
and chassis ground
•
Between L+/M and chassis
ground
2120 VDC
2120 VDC
500 VDC
707 VDC
2120 VDC
2120 VDC
Current consumption
•
From the backplane bus
Max. 150 mA
•
Power supply and load
voltage L+ (with rated load)
Max. 400 mA
•
Power supply and load
voltage L+ (no load)
Max. 200 mA
Power dissipation of the
module
Typ. max. 9 W
Analog Value Generation
Resolution including sign
13 bits
Conversion time (per channel)
•
In the ranges 1 V to 5 V
and 4 mA to 20 mA
420
m
s
•
In all ranges
300
m
s
Basic response time of module
(all channels enabled)
•
In the ranges 1 V to 5 V
and 4 mA to 20 mA
3.36 ms
•
In all the other ranges
2.4 ms
Settling time
•
For resistive load
•
For capacitive load
•
For inductive load
0.1 ms
3.5 ms
0.5 ms
Suppression of Interference, Limits of Error
Interference voltage suppression for f = n
(f1
"
1%),
(f1 = interference frequency) n= 1.2 ...
•
Common-mode
interference
(U
CM
< AC 3 V
ss
/50 Hz)
>60 dB
Crosstalk between the outputs
> 40 dB
Operational limit (in the entire temperature range, with
reference to the output range)
•
Voltage outputs
–
"
10 V
–
0 V to 10 V
–
1 V to 5 V
"
0.5 %
"
0.5 %
"
0.5 %
•
Current outputs
–
"
20 mA
–
4 mV to 20 mV
"
1%
"
1%
Basic error (operational limit at 25
°
C, referred to the
output range)
•
Voltage outputs
–
"
10 V
–
0 V to 10 V
–
1 V to 5 V
"
0.5%
"
0.5%
"
0.5%
•
Current outputs
–
"
20 mA
–
0 mA to 20 mA
"
0.5%
"
0.5%
Temperature error (with
reference to the output range)
"
0.02% K
Linearity error (with reference
to the output range)
"
0.05%